mirror of https://gerrit.osmocom.org/asn1c
157 lines
2.8 KiB
C
157 lines
2.8 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <assert.h>
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#include "asn1parser.h"
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asn1p_wsyntx_chunk_t *
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asn1p_wsyntx_chunk_new() {
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asn1p_wsyntx_chunk_t *wc;
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wc = calloc(1, sizeof(*wc));
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return wc;
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}
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void
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asn1p_wsyntx_chunk_free(asn1p_wsyntx_chunk_t *wc) {
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if(wc) {
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switch(wc->type) {
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case WC_LITERAL:
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case WC_WHITESPACE:
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free(wc->content.token); break;
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case WC_REFERENCE: asn1p_ref_free(wc->content.ref); break;
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case WC_OPTIONALGROUP:
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asn1p_wsyntx_free(wc->content.syntax);
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break;
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}
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free(wc);
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}
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}
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asn1p_wsyntx_chunk_t *
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asn1p_wsyntx_chunk_clone(asn1p_wsyntx_chunk_t *wc) {
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asn1p_wsyntx_chunk_t *nc;
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nc = asn1p_wsyntx_chunk_new();
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if(nc) {
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nc->type = wc->type;
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switch(wc->type) {
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case WC_LITERAL:
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case WC_WHITESPACE:
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nc->content.token = malloc(strlen(wc->content.token)+1);
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strcpy(nc->content.token, wc->content.token);
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break;
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case WC_REFERENCE:
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nc->content.ref = asn1p_ref_clone(wc->content.ref);
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break;
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case WC_OPTIONALGROUP:
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nc->content.syntax = asn1p_wsyntx_clone(wc->content.syntax);
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break;
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}
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}
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return nc;
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}
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asn1p_wsyntx_t *
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asn1p_wsyntx_new() {
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asn1p_wsyntx_t *wx;
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wx = calloc(1, sizeof(*wx));
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if(wx) {
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TQ_INIT(&(wx->chunks));
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}
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return wx;
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}
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void
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asn1p_wsyntx_free(asn1p_wsyntx_t *wx) {
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if(wx) {
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asn1p_wsyntx_chunk_t *wc;
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while((wc = TQ_REMOVE(&(wx->chunks), next)))
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asn1p_wsyntx_chunk_free(wc);
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free(wx);
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}
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}
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asn1p_wsyntx_t *
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asn1p_wsyntx_clone(asn1p_wsyntx_t *wx) {
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asn1p_wsyntx_t *nw;
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nw = asn1p_wsyntx_new();
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if(nw) {
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asn1p_wsyntx_chunk_t *wc;
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asn1p_wsyntx_chunk_t *nc;
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TQ_FOR(wc, &(wx->chunks), next) {
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nc = asn1p_wsyntx_chunk_clone(wc);
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if(nc) {
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TQ_ADD(&(nw->chunks), nc, next);
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} else {
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asn1p_wsyntx_free(nw);
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return NULL;
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}
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}
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}
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return nw;
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}
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asn1p_wsyntx_chunk_t *
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asn1p_wsyntx_chunk_fromref(asn1p_ref_t *ref, int do_copy) {
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asn1p_wsyntx_chunk_t *wc;
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if(do_copy) {
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static asn1p_wsyntx_chunk_t tmp;
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tmp.type = WC_REFERENCE;
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tmp.content.ref = ref;
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wc = asn1p_wsyntx_chunk_clone(&tmp);
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} else {
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wc = asn1p_wsyntx_chunk_new();
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if(wc) {
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wc->type = WC_REFERENCE;
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wc->content.ref = ref;
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}
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}
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return wc;
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}
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asn1p_wsyntx_chunk_t *
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asn1p_wsyntx_chunk_frombuf(char *buf, int len, int do_copy) {
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asn1p_wsyntx_chunk_t *wc;
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if(do_copy) {
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static asn1p_wsyntx_chunk_t tmp;
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tmp.type = WC_LITERAL;
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tmp.content.token = buf;
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wc = asn1p_wsyntx_chunk_clone(&tmp);
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} else {
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wc = asn1p_wsyntx_chunk_new();
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if(wc) {
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wc->type = WC_LITERAL;
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wc->content.token = buf;
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}
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}
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return wc;
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}
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asn1p_wsyntx_chunk_t *
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asn1p_wsyntx_chunk_fromsyntax(asn1p_wsyntx_t *syntax) {
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asn1p_wsyntx_chunk_t *wc;
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wc = asn1p_wsyntx_chunk_new();
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if(wc) {
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wc->type = WC_OPTIONALGROUP;
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wc->content.syntax = syntax;
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}
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return wc;
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}
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